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DE481109C - Process for casting ball or roller cages - Google Patents

Process for casting ball or roller cages

Info

Publication number
DE481109C
DE481109C DEW76768D DEW0076768D DE481109C DE 481109 C DE481109 C DE 481109C DE W76768 D DEW76768 D DE W76768D DE W0076768 D DEW0076768 D DE W0076768D DE 481109 C DE481109 C DE 481109C
Authority
DE
Germany
Prior art keywords
rollers
cage
balls
cages
cells
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEW76768D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WAFFENFABRIK
Carl Walther GmbH
Original Assignee
WAFFENFABRIK
Carl Walther GmbH
Publication date
Priority to DEW76768D priority Critical patent/DE481109C/en
Application granted granted Critical
Publication of DE481109C publication Critical patent/DE481109C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2628Moulds with mould parts forming holes in or through the moulded article, e.g. for bearing cages
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/46Cages for rollers or needles
    • F16C33/4617Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4623Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • F16C33/4635Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/04Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00Shaping
    • F16C2220/02Shaping by casting
    • F16C2220/04Shaping by casting by injection-moulding

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)

Description

Verfahren zum Gießen von Kugel- oder Rollenkäfigen Die Erfindung bezieht sich auf ein Verfahren zum Herstellen von Kugel- oder Rollenkäfigen.Method of casting ball or roller cages The invention relates to refers to a process for the manufacture of ball or roller cages.

Bekanntlich macht die Herstellung solcher Käfige außerordentliche Schwierigkeiten, da einerseits die Käfige fest genug sein müssen, um eine gute Führung der Kugeln und Rollen zu gewährleisten und deren Herausfallen verhindern müssen, andererseits durch Erfüllung dieser Forderungen Schwierigkeiten beim Einlegen der Kugeln oder Rollen entstehen. Ferner ist es wichtig, daß die Kugeln oder Rollen mit geringem Spiel und geringer Reibung in den Käfigen liegen. Die Herstellung der Käfige erfordert deshalb ganz besondere Sorgfalt.It is well known that the manufacture of such cages is extraordinary Difficulties, as on the one hand the cages have to be firm enough to allow good guidance ensure the balls and rollers and prevent them from falling out, on the other hand, by meeting these requirements, difficulties in inserting the Balls or rollers are created. It is also important that the balls or rollers lie in the cages with little play and little friction. The manufacture of the Cages therefore require special care.

Es ist bereits bekannt, massive metallene Rollenkäfige in der Weise herzustellen, daß der Käfig um die endgültigen Rollen als Kerne gegossen und die Zellen der Rollen durch radiales Auseinandertreiben der Rollen geweitet werden. Dieses Verfahren ist umständlich. Auch ist zu befürchten, daß die gehärteten Rollen durch das Erhitzen beim Umgießen mit Metall an Güte verlieren. Bei diesem Verfahren wird nicht die Elastizität, sondern die Bildsamkeit des Metalls in Anspruch genommen.It is already known to have massive metal roller cages in the way manufacture that the cage is cast around the final rollers as cores and the Cells of the roles are expanded by radial spacing of the roles. This procedure is cumbersome. There is also a fear that the hardened rollers lose their quality due to heating when pouring metal around them. In this procedure it is not the elasticity but the malleability of the metal that is claimed.

Erfindungsgemäß wird um als Kerne dienende Rollen von etwas größerem Durchmesser als die endgültigen Rollen ein massiver Käfig aus Kunsthorn oder einem ähnlichen Werkstoff gespritzt, dann werden unter Zuhilfenahme der Elastizität des Käfigs die Kerne aus ihren Zellen herausgedrückt und die endgültigen Rollen ebenfalls unter Zuhilfenahme der Elastizität in diese Zellen eingedrückt. Die Form, in welcher der Kugel- oder Rollenkäfig gespritzt wird, kann beliebig vielteilig sein und hat an ihrem Innenumfang gleichmäßig voneinander entfernte geringe Vertiefungen, deren Form sich nach der Form der Rollen oder Kugeln richtet und in denen die während des Spritzverfahrens als Kerne dienenden Kugeln oder Rollen in gleichmäßigen Abständen und genauer Flucht gehalten werden. Nach dem Erstarren des Käfigs werden die Kugeln oder Rollen aus dem Käfig herausgedrückt und die endgültigen Kugeln oder Rollen in die im Käfig entstandenen Zellen eingedrückt, was bei Verwendung von Kunsthorn infolge der großen Elastizität dieses Baustoffes sehr leicht geschieht.According to the invention, roles of something larger that serve as cores are used Diameter than the final rollers a massive cage made of synthetic horn or one similar material is injected, then with the aid of the elasticity of the The cage pushes the nuclei out of their cells and so does the final rolls pressed into these cells with the aid of elasticity. The form in which the ball or roller cage is injection molded, can be made up of any number of parts and has on their inner circumference evenly spaced apart small depressions, their Shape depends on the shape of the rollers or balls and in which the during of the spraying process, balls or rollers serving as cores at regular intervals and be kept more precise escape. After the cage has solidified, the balls become or rollers pushed out of the cage and the final balls or rollers pressed into the cells created in the cage, which is what happens when using artificial horn due to the great elasticity of this building material happens very easily.

Die Zeichnung zeigt in Abb. I eine Draufsicht auf ein Rollenlager, Abb. 2 einen Schnitt nach der Linie A-B der Abb. I, Abb. 3 eine Seitenansicht von Abb. I.The drawing shows in Fig. I a plan view of a roller bearing, Fig. 2 is a section along the line A-B of Fig. I, Fig. 3 is a side view of Fig I.

Um die in eine beliebig vielteilige Form in den üblichen Abständen eingesetzten Rollen wird ein kranzartiger Käfig I mittels eines beliebigen Spritzverfahrens gespritzt. Als Baustoff für den Käfig kann man Kunsthorn o. dgl. verwenden. Die Rollen haben einen etwas (beispielsweise 2/10 mm) größeren Durchmesser als die in dem Lager zu verwendenden endgültigen Rollen 2. Nach dem Erhärten wird der Käfig mit den Rollen aus der Form genommen und werden die Rollen aus dem Käfig herausgedrückt. In die hierdurch frei gewordenen Zellen werden die endgültigen. Rollen 2 eingedrückt.To that in any multipart form at the usual intervals A ring-like cage I is created using any desired spraying process injected. Synthetic horn or the like can be used as the building material for the cage. the Rollers have a slightly (e.g. 2/10 mm) larger diameter than those in the bearing to be used final rollers 2. After hardening, the cage taken out of the mold with the rollers and the rollers are pushed out of the cage. The cells that become free become the final ones. Rollers 2 pressed in.

Claims (1)

PATENTANSPRUCH: Verfahren zum Gießen von Kugel- oder Rollenkäfigen, dadurch gekennzeichnet, daß um als Formkerne dienende Kugeln oder Rollen Kunsthorn oder ein ähnlicher Werkstoff gespritzt, dann unter Zuhilfenahme der Elastizität des Käfigs die Kerne aus ihren Zellen herausgedrückt und die endgültigen Kugeln oder Rollen in diese Zellen hineingedrückt werden.PATENT CLAIM: Process for casting ball or roller cages, characterized in that around balls or rollers serving as mold cores artificial horn or a similar material injected, then with the aid of elasticity the cage pushed the nuclei out of their cells and the final balls or rollers are pressed into these cells.
DEW76768D Process for casting ball or roller cages Expired DE481109C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW76768D DE481109C (en) Process for casting ball or roller cages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW76768D DE481109C (en) Process for casting ball or roller cages

Publications (1)

Publication Number Publication Date
DE481109C true DE481109C (en) 1929-08-14

Family

ID=7610210

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW76768D Expired DE481109C (en) Process for casting ball or roller cages

Country Status (1)

Country Link
DE (1) DE481109C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007571B (en) * 1952-01-18 1957-05-02 Kugelfischer G Schaefer & Co Process for the production of one-piece ball cages for roller bearings
DE967539C (en) * 1953-05-03 1957-11-21 Duerkoppwerke Ag Needle bearings for oscillating movements, e.g. Cardan pivot bearing with needles held and guided individually in a plastic cage
DE1092187B (en) * 1957-03-05 1960-11-03 Siemens Ag Process for the production of plastic cages for roller bearings, in particular roller bearings, and a roller bearing produced by this process
DE2209712A1 (en) * 1972-03-01 1973-09-13 Dornier System Gmbh SPIRAL GROOVE BEARINGS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1007571B (en) * 1952-01-18 1957-05-02 Kugelfischer G Schaefer & Co Process for the production of one-piece ball cages for roller bearings
DE967539C (en) * 1953-05-03 1957-11-21 Duerkoppwerke Ag Needle bearings for oscillating movements, e.g. Cardan pivot bearing with needles held and guided individually in a plastic cage
DE1092187B (en) * 1957-03-05 1960-11-03 Siemens Ag Process for the production of plastic cages for roller bearings, in particular roller bearings, and a roller bearing produced by this process
DE2209712A1 (en) * 1972-03-01 1973-09-13 Dornier System Gmbh SPIRAL GROOVE BEARINGS

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